IBAN validator — MOD-97 + country length (local)
Paste an IBAN to verify the ISO 13616 MOD-97 checksum and country length, format print vs electronic form, bulk-check a list, or compute check digits from a BBAN — all in your browser with nothing stored.
Frequently asked questions
No. IBAN MOD-97 and length checks run entirely in your browser; account strings are not uploaded or stored. Nothing is sent to LocalTools servers for processing.
No. ISO 13616 MOD-97 and country length only catch many transcription errors. They do not prove the account is open, belongs to a payee, or that a transfer will succeed.